Analysis
- max time kernel
97s - max time network
92s - platform
windows7_x64 - resource
win7-20230703-en - resource tags
- submitted
04/07/2023, 04:30
General
- Target po.exe
- Size 952KB
- Sample230704-e4s2psce9w
- SHA256 5bdf37ff9eb3ccb965c0392bc6571d3cb1cb606102f8c92bf54d9c71bb6955ed
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gimpex-imerys.com
-
Port
587
-
Username
-
Password
h45ZVRb6(IMF
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\po.exe"C:\Users\Admin\AppData\Local\Temp\po.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\po.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1784-54-0x0000000000C00000-0x0000000000CF4000-memory.dmp
memory/1784-55-0x00000000044B0000-0x00000000044F0000-memory.dmp
memory/1784-56-0x00000000044B0000-0x00000000044F0000-memory.dmp
memory/1784-57-0x00000000002A0000-0x00000000002B4000-memory.dmp
memory/1784-58-0x0000000005A30000-0x0000000005ADC000-memory.dmp
memory/1784-59-0x00000000004B0000-0x0000000000514000-memory.dmp
memory/2944-60-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2944-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2944-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2944-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2944-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2944-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2944-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2944-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2944-70-0x0000000004E90000-0x0000000004ED0000-memory.dmp
memory/2944-71-0x0000000004E90000-0x0000000004ED0000-memory.dmp